Books by John Augustus Ockerson:
Books in the extended shelves:
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Ockerson, John Augustus, 1849-: Report on lower Colorado River and delta ([Yuma, Ariz., 1910), also by United States. Dept. of the Interior (page images at HathiTrust)- Ockerson, John Augustus, 1849-: Tables showing difference of level in feet : corresponding to a given angle when the distance is read in metres or feet, and for horizontal reductions, for use with stadia (G.P.O., 1879), also by Jared Teeple and United States Army Corps of Engineers (page images at HathiTrust)
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